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Normal and CL7C class tolerances for metric tapered roller bearings

Inner ring, bearing width and ring widths
d tΔdmp tVdsp tVdmp tΔBs tKia tΔTs tΔT1s tΔT2s





Tolerance classes







Normal CL7C1)


> ≤ U L

U L

U L U L U L
mm μm μm μm μm μm μm μm μm
















10 18 0 –12 12 9 0 –120 15 7 +200 0 +100 0 +100 0
18 30 0 –12 12 9 0 –120 18 8 +200 0 +100 0 +100 0
30 50 0 –12 12 9 0 –120 20 10 +200 0 +100 0 +100 0
















50 80 0 –15 15 11 0 –150 25 10 +200 0 +100 0 +100 0
80 120 0 –20 20 15 0 –200 30 13 +200 –200 +100 –100 +100 –100
120 180 0 –25 25 19 0 –250 35 – +350 –250 +150 –150 +200 –100
















180 250 0 –30 30 23 0 –300 50 – +350 –250 +150 –150 +200 –100
250 315 0 –35 35 26 0 –350 60 – +350 –250 +150 –150 +200 –100
315 400 0 –40 40 30 0 –400 70 – +400 –400 +200 –200 +200 –200
































Outer ring
D tΔDmp tVDsp tVDmp tΔCs tKea





Tolerance classes





Normal CL7C1)
> ≤ U L

U L


mm μm μm μm μm μm
















18 30 0 –12 12 9 0 –120 18 9
30 50 0 –14 14 11 0 –120 20 10
50 80 0 –16 16 12 0 –150 25 13








80 120 0 –18 18 14 0 –200 35 18
120 150 0 –20 20 15 0 –250 40 20
150 180 0 –25 25 19 0 –250 45 23








180 250 0 –30 30 23 0 –300 50 –
250 315 0 –35 35 26 0 –350 60 –
315 400 0 –40 40 30 0 –400 70 –








400 500 0 –45 45 34 0 –450 80 –
500 630 0 –50 60 38 0 –500 100 –
630 800 0 –75 80 55 0 –750 120 –
















  1. 1) Tolerances are not in accordance with any ISO tolerance class and are for high-performance design tapered roller bearings.

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